Analysis of Mobile Phone Antenna Performance within the Head and Hand Phantoms

Mohammad Rashed Iqbal Faruque, Mohammad Tariqul Islam, Norbahiah Misran


This paper proposes the effect of the hand-hold position on the electromagnetic (EM) wave interaction of a candy bar type and clamshell type cellular handset and a human head and hand is investigated. The human hand influences the performance of terminal antennas, and it is the main cause for absorption and  detuning. In spite of its importance in mobile-phone design and validation processes, it is still complicated to take it into account because a lack of knowledge in the area. In this paper, a rigorous investigation methodology is described for the study of candy bar, and clam shell mobile phone CAD model is used to numerically investigate the effect of hand phantom of mobile phone antenna radiation performance. The simulation results show that mobile phone grip styles of the hand phantom material properties, wrist and length, and hand phantom sizes and different positions is the important parameter to antenna performance. The grip style has direct implications in  the definition of phantom head. The preference of the handset with respect to the side of the user’s head depends on the mobile phone form factor and size. The results established high reliability and suitability for providing decision rationale for the design of complex high-end multi-band mobile phones.


antenna closeness factors; finite-difference time-domain (FDTD) method; hand phantom; mobile communication

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Published by INSIGHT - Indonesian Society for Knowledge and Human Development